Question

Its given that the point A(1,2),B(0,0) and C (a,b) are collinear which of the following relation between a and b is true

Answer 1

No its not true..because the line ends up on 1 and 2 points so the second quadrant should have to touch 2 on y axis

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Answer 2

Answer:

★ Given Points :

A(1, 2) B(0, 0) C(a, b)

These points are collinear, this means their slopes are equal :

• we will find the Slopes :

⇒ AB = y2 - y1/x2 - x1 = 0 - 2/0 - 1

⠀ ⠀= - 2/- 1 = 2

⇒ BC = b - 0/a - 0 = b/a

• Both are Equal, Now :

↠ 2 = b/a

↠ b = 2a

∴ This is the relation b/w a and b.